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SEO常用的搜素引擎指令有哪些？

以下是常用的搜索引擎指令： 1. site: 指令：用于搜索某个特定网站中的内容。示例：site:quora.com "SEO技术" 2. link: 指令：用于查找链接到某个网站或特定页面的其他页面。示例：link:quora.com 3. intitle: 指令：用于搜索包含特定单词或短语的页面标题。示例：intitle:"SEO技术" 4. inurl: 指令：用于搜索包含特定单词或短语的页面网址。示例：inurl:"SEO技术" 5. filetype: 指令：用于搜索特定类型的文件，如PDF，Word文档等。示例：filetype:pdf "SEO技术" 6. related: 指令：用于搜索与特定网站或页面相关的其他网站或页面。示例：related:quora.com 7. cache: 指令：用于查看搜索引擎缓存的特定页面的副本。示例：cache:quora.com 8. info: 指令：用于查看网站的信息，如域名注册信息，谁拥有站点等。示例：info:quora.com 9. define: 指令：用于定义特定的词汇或短语。示例：define:SEO 10. weather: 指令：用于查看特定位置的天气情况。示例：weather:New York

Public @ 2023-06-22 02:50:22

搜索引擎面临哪些问题

网页时效性：互联网上的用户众多，数据信息来源极广，互联网上的网页是呈实时动态变化的，网页的更新、删除等变动极为频繁，有时候会出现新更新的网页在爬虫程序还来不及抓取的时候却已经被删除的情况，这将大大影响搜索结果的准确性。大数据存储问题：爬虫抓取的数据在经过预处理后数据量依然相当庞大，这给大数据存储技术带来相当大的挑战。当前大部分搜索引擎都是利用结构化的数据库来存储数据，结构化的数据库存

Public @ 2013-08-22 16:22:54

你真的会用搜索引擎吗?

你会使用搜索引擎吗?当然，每个人都会!根据《2019搜索引擎使用报告》，85%左右的用户都能找到满意的搜索结果。大部分人对搜索引擎的使用，仅仅停留在输入关键字点击搜索的层次。但这对于信息的高效检索来说，还不够。下面以搜索引擎为中心，谈谈在互联网上提高检索信息效率的技巧。什么叫提高检索效率呢?在保证检索准确度的前提下提高检索速度。只有结果准确的情况下，提高检索速度才有意义。切忌一味追求速度，本末倒置

Public @ 2017-05-11 15:34:23

关于site语法的说明

作者：百度站长平台发布时间：2013年8月28日亲爱的网站管理员：近两日部分网站出现site查询数据降低的问题，我们已经在紧急跟进中，请广大站长耐心等待。同时澄清如下两个问题：1、并不存在所谓大规模“k站”，请站长朋友们安心；2、Site语法查询为估算值，精确度有限，请站长以百度站长平台索引量工具的数据为准。索引量工具地址：http://zha

Public @ 2017-05-31 15:34:22

SEO常用的搜素引擎指令有哪些？

1. site：限定在特定网站内搜索； 2. inurl：限定搜索结果中必须包含特定关键词； 3. intitle：限定搜索结果中必须包含特定标题； 4. filetype：限定搜索结果为特定文件类型； 5. link：查找链接到特定网站的页面； 6. cache：查找搜索引擎缓存存储的副本； 7. related：查找相关网站； 8. info：查找特定网站的相关信息； 9. define：查找

Public @ 2023-04-01 10:00:21

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.029682s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.021026s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9248 LIMIT 1 [ RunTime:0.020017s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.020331s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.020699s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.022339s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9248 LIMIT 1 [ RunTime:0.019924s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+2 where id=9248 [ RunTime:0.020758s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海了解搜索引擎' AND `status` <> -1 LIMIT 1 [ RunTime:0.032700s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海了解搜索引擎' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.045911s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海搜索引擎高级搜索指令' AND `status` <> -1 LIMIT 1 [ RunTime:0.028058s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海搜索引擎高级搜索指令' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.046442s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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